JP2021005730A5 - - Google Patents
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- JP2021005730A5 JP2021005730A5 JP2020167345A JP2020167345A JP2021005730A5 JP 2021005730 A5 JP2021005730 A5 JP 2021005730A5 JP 2020167345 A JP2020167345 A JP 2020167345A JP 2020167345 A JP2020167345 A JP 2020167345A JP 2021005730 A5 JP2021005730 A5 JP 2021005730A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- back surface
- surface protective
- protective sheet
- skin layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000003491 Skin Anatomy 0.000 claims description 11
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 239000008393 encapsulating agent Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 17
- 230000001681 protective Effects 0.000 claims 7
- 239000003566 sealing material Substances 0.000 claims 4
- 239000011241 protective layer Substances 0.000 claims 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 229920001225 Polyester resin Polymers 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 239000004645 polyester resin Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003078 antioxidant Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910001929 titanium oxide Inorganic materials 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Description
封止材シートの材料として以下の原材料を使用した。
低密度ポリエチレン１（ＬＤＰＥ、表中「ＬＤ１」と表記）：密度０．９２０ｇ／ｃｍ３、融点１２３℃。
低密度ポリエチレン２（ＬＤＰＥ、表中「ＬＤ２」と表記）：密度０．９２０ｇ／ｃｍ３、融点１０５℃。
直鎖状低密度ポリエチレン（ＬＬＤＰＥ、表中「ＬＬＤ」と表記）：密度０．８９８ｇ／ｃｍ３、融点９７℃。
シラン変性ポリエチレン系樹脂（表中「ＳｉＬＤ」と表記）：密度０．９０１ｇ／ｃｍ３、ＭＦＲ１．１ｇ／１０分のメタロセン系直鎖状低密度ポリエチレン（Ｍ−ＬＬＤＰＥ）９８質量部に対して、ビニルトリメトキシシラン２質量部と、ラジカル発生剤（反応触媒）としてのジクミルパーオキサイド０．１質量部と、を混合し、２００℃で溶融、混練し、密度０．９０１ｇ／ｃｍ３のシラン変性透明樹脂を得た。
ポリプロピレン（ＰＰ、表中「ＰＰ」と表記）：ホモポリプロピレン。密度０．９００ｇ／ｃｍ３、融点１５５℃。ＭＦＲ８．５ｇ／１０分（２３０℃）。
白色顔料：平均粒径０．２μｍの酸化チタン。全ての実施例及び比較例の封止材シートのコア層のみに、樹脂成分１００質量部当り７質量部添加。
紫外線吸収剤：ケミプロ化成株式会社製、商品名ＫＥＭＩＳＯＲＢ１２。全ての実施例、比較例のコア層及びスキン層用の各封止材組成物に、いずれも０．３質量部添加。
耐候安定剤：ＢＡＳＦ株式会社製、商品名Ｔｉｎｕｖｉｎ６２２ＳＦ。全ての実施例、比較例のコア層及びスキン層用の各封止材組成物に、いずれも０．２質量部添加。
酸化防止剤：チバ・ジャパン株式会社製、商品名Ｉｒｇａｎｏｘ１０７６。全ての実施例、比較例のコア層及びスキン層用の各封止材組成物に、いずれも０．０５質量部添加。
The following raw materials were used as the material of the encapsulant sheet.
Low density polyethylene 1 (LDPE, indicated as "LD1" in the table): density 0.920 g / cm 3 , melting point 123 ° C.
Low density polyethylene 2 (LDPE, indicated as "LD2" in the table): density 0.920 g / cm 3 , melting point 105 ° C.
Linear low density polyethylene (LLDPE, indicated as "LLD" in the table): density 0.898 g / cm 3 , melting point 97 ° C.
Silane-modified polyethylene resin ( denoted as "Si LD " in the table): Density 0.901 g / cm 3 , MFR 1.1 g / 10 minutes with respect to 98 parts by mass of metallocene linear low density polyethylene (M-LLDPE) , 2 parts by mass of vinyl trimethoxysilane and 0.1 part by mass of dicumyl peroxide as a radical generator (reaction catalyst) were mixed, melted and kneaded at 200 ° C., and had a density of 0.901 g / cm 3 . A silane-modified transparent resin was obtained.
Polypropylene (PP, indicated as "PP" in the table): Homopolypropylene. Density 0.900 g / cm 3 , melting point 155 ° C. MFR 8.5 g / 10 minutes (230 ° C).
White pigment: Titanium oxide with an average particle size of 0.2 μm. 7 parts by mass was added per 100 parts by mass of the resin component only to the core layer of the encapsulant sheet of all Examples and Comparative Examples.
Ultraviolet absorber: manufactured by Chemipro Kasei Co., Ltd., trade name KEMISORB12. 0.3 parts by mass was added to each of the encapsulant compositions for the core layer and the skin layer of all Examples and Comparative Examples.
Weather-resistant stabilizer: manufactured by BASF Corporation, trade name Tinuvin622SF. 0.2 parts by mass was added to each of the encapsulant compositions for the core layer and the skin layer of all Examples and Comparative Examples.
Antioxidant: manufactured by Ciba Japan Co., Ltd., trade name Irganox 1076. 0.05 parts by mass was added to each of the encapsulant compositions for the core layer and the skin layer of all Examples and Comparative Examples.
Claims (6)
前記封止材層は、
低密度ポリエチレンを含有するコア層と、
低密度ポリエチレンを含有し前記裏面保護層に対面する内側スキン層と、
低密度ポリエチレンを含有し前記封止材一体型裏面保護シートの最表面に露出される外側スキン層と、からなる３層構造を有し、
前記内側スキン層は、ポリプロピレンを含有し、
前記内側スキン層のポリプロピレンの含有量が２０質量％以下であり、
前記外側スキン層は、ポリプロピレンを実質的に含有しない、
封止材一体型裏面保護シート。 An encapsulant-integrated back surface protective sheet for a solar cell module, in which an encapsulant layer using an olefin resin as a base resin and a back surface protective layer containing a polyester resin layer are laminated.
The sealing material layer,
A core layer containing a low-density polyethylene,
An inner skin layer containing low density polyethylene and facing the back surface protective layer,
It has a three-layer structure consisting of an outer skin layer containing low-density polyethylene and exposed on the outermost surface of the encapsulant-integrated back surface protective sheet.
The inner skin layer contains polypropylene,
The polypropylene content of the inner skin layer is 20% by mass or less, and the content is 20% by mass or less.
The outer skin layer is substantially free of polypropylene.
Encapsulant integrated backside protective sheet.
請求項１に記載の封止材一体型裏面保護シート。The back surface protective sheet with an integrated sealing material according to claim 1.
請求項１又は２に記載の封止材一体型裏面保護シート。The back surface protective sheet with an integrated sealing material according to claim 1 or 2.
請求項１から３のいずれかに記載の封止材一体型裏面保護シート。The back surface protective sheet with an integrated sealing material according to any one of claims 1 to 3.
太陽電池モジュール。Solar cell module.
請求項５に記載の太陽電池モジュール。The solar cell module according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020167345A JP7088255B2 (en) | 2020-10-01 | 2020-10-01 | A backside protective sheet with an integrated sealing material for the solar cell module, and a solar cell module using it. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020167345A JP7088255B2 (en) | 2020-10-01 | 2020-10-01 | A backside protective sheet with an integrated sealing material for the solar cell module, and a solar cell module using it. |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015245946A Division JP6772458B2 (en) | 2015-12-17 | 2015-12-17 | A backside protective sheet with an integrated sealing material for the solar cell module, and a solar cell module using it. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021005730A JP2021005730A (en) | 2021-01-14 |
| JP2021005730A5 true JP2021005730A5 (en) | 2021-07-26 |
| JP7088255B2 JP7088255B2 (en) | 2022-06-21 |
Family
ID=74098263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020167345A Active JP7088255B2 (en) | 2020-10-01 | 2020-10-01 | A backside protective sheet with an integrated sealing material for the solar cell module, and a solar cell module using it. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7088255B2 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428138B (en) * | 2009-05-19 | 2014-03-26 | 法国阿科玛 | Encapsulant compositions, methods of manufacture and uses thereof |
| US20110146758A1 (en) * | 2009-06-29 | 2011-06-23 | E. I. Du Pont De Nemours And Company | Reflecting multilayer encapsulant |
| JP2011114262A (en) * | 2009-11-30 | 2011-06-09 | Dainippon Printing Co Ltd | Back-united sheet and method of manufacturing solar cell module using the same |
| EP2573824A4 (en) * | 2010-05-20 | 2015-08-19 | Toray Advanced Film Co Ltd | Backside protective sheet for solar cell module |
| JP2012216805A (en) * | 2011-03-25 | 2012-11-08 | Sekisui Chem Co Ltd | Solar cell module filler sheet |
| JP2013165263A (en) * | 2012-01-13 | 2013-08-22 | Mitsubishi Plastics Inc | Solar cell module having good appearance and manufacturing method thereof |
| JP6191252B2 (en) * | 2013-06-07 | 2017-09-06 | 大日本印刷株式会社 | Encapsulant composition and encapsulant for solar cell module |
| KR20160060041A (en) * | 2013-09-24 | 2016-05-27 | 도레이 카부시키가이샤 | Multilayered sheet for solar battery, sealing material-integrated back face protection sheet for solar battery, and solar battery module |
| JP6364811B2 (en) * | 2014-02-26 | 2018-08-01 | 大日本印刷株式会社 | Solar cell module |
-
2020
- 2020-10-01 JP JP2020167345A patent/JP7088255B2/en active Active
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